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Advanced Materials, Vol.24, No.18, 2375-2379, 2012
Flexible, Angle-Independent, Structural Color Reflectors Inspired by Morpho Butterfly Wings
Thin-film color reflectors inspired by Morpho butterflies are fabricated. Using a combination of directional deposition, silica microspheres with a wide size distribution, and a PDMS (polydimethylsiloxane) encasing, a large, flexible reflector is created that actually provides better angle-independent color characteristics than Morpho butterflies and which can even be bent and folded freely without losing its Morpho-mimetic photonic properties.
Keywords:morpho butterfly;structural colors;flexible thin-films;disordered nanostructures;angle-independent reflectors